Updated: 2025-10-03 22:27 CEST

---

Locality

Basic data		Locality photo
Locality:	Churanov
Code:	CCHUA
Type of measuring programme:	Automated measuring program
Locality owner:	Czech Hydrometeorological Institute
Classification
Abbreviation:	B/R/N-REG
Localization
Coordinates:	49° 4´ 6.368" North latitude 13° 36´ 53.285" East longitude
Altitude:	1118 m

---

Actual measured level of air pollution

Actual unverified data

Date and time	SO₂		NO₂	CO	O₃		PM₁₀		PM₂.₅
	1h	24h average	1h	8h average	1h	8h average	1h	24h average	1h
	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³
2025-10-02 22:00 - 23:00 CEST	1.8	1.8	2.5		55.7	57.7
2025-10-02 23:00 - 00:00 CEST	2.0	1.8	2.5		55.1	56.2
2025-10-03 00:00 - 01:00 CEST	1.5	1.8	1.6		61.6	55.9
2025-10-03 01:00 - 02:00 CEST	1.6	1.8	1.6		62.0	55.8
2025-10-03 02:00 - 03:00 CEST	1.5	1.8	1.3			56.7
2025-10-03 03:00 - 04:00 CEST	1.3	1.8	1.1		64.6	58.6
2025-10-03 04:00 - 05:00 CEST	1.7	1.8	1.0		68.0	60.0
2025-10-03 05:00 - 06:00 CEST	1.8	1.8	1.0		54.3	60.2
2025-10-03 06:00 - 07:00 CEST	1.4	1.7	0.8		43.5	58.4
2025-10-03 07:00 - 08:00 CEST	1.8	1.8	1.1		62.2	59.5
2025-10-03 08:00 - 09:00 CEST	1.9	1.8	0.6		69.8	60.6
2025-10-03 09:00 - 10:00 CEST	1.7	1.8	0.5		70.8	61.9
2025-10-03 10:00 - 11:00 CEST	2.1	1.8	0.6		70.6	63.0
2025-10-03 11:00 - 12:00 CEST	2.3	1.8	0.5		74.2	64.2
2025-10-03 12:00 - 13:00 CEST	2.5	1.9	0.5		74.6	65.0
2025-10-03 13:00 - 14:00 CEST	2.5	1.9	0.5		74.2	67.5
2025-10-03 14:00 - 15:00 CEST	2.2	1.9	0.6		74.0	71.3
2025-10-03 15:00 - 16:00 CEST	1.3	1.9	0.7		74.4	72.8
2025-10-03 16:00 - 17:00 CEST	1.4	1.8	0.8		73.6	73.3
2025-10-03 17:00 - 18:00 CEST	1.4	1.8	1.0		71.0	73.3
2025-10-03 18:00 - 19:00 CEST		1.8			68.0	73.0
2025-10-03 19:00 - 20:00 CEST	1.3	1.8	1.2		72.2	72.8
2025-10-03 20:00 - 21:00 CEST	1.1	1.7	1.0		68.6	72.0
2025-10-03 21:00 - 22:00 CEST	1.5	1.7	0.9		54.1	69.5

Legend

Color	Description
	Component is not measured
	Incomplete data
	Limit exceeded

---

Map of station position

Map is on page with detailed information about locality